ASPN

Aspen Aerogels Inc

Company with tickers: ASPN

Market Cap

$474.89M

Shares Outstanding

82,877,453

CIK

1145986

CUSIP

04523Y105

13F Activity (30d)

7 filings 4 filers

Website

Visit website

Investor Relations

Investor relations

Fails to deliver — shares from a trade that were not delivered to the buyer by the settlement date — published by the SEC twice a month. Persistent fails can reflect settlement problems or naked short selling.

1M 3M 6M 1Y 5Y All

Fails to Deliver History

Settlement Date	Quantity	Price	Value
2026-05-08	26,852	$5.12	$137,482
2026-05-06	4,395	$4.14	$18,195
2026-04-30	79	$3.61	$285
2026-04-21	37	$3.56	$132
2026-04-09	796	$3.71	$2,953
2026-04-02	12	$3.47	$42
2026-03-27	23	$3.42	$79

Showing 1–7 of 7 settlements